Forces: Interactive Learning Quizzes for Year 7 Science

Question 1

Which force below does NOT need objects to touch each other?

Accepted Answer

Magnetism

Accepted Answer

Gravity

Answer

Friction

Answer

Air resistance

Question 2

Manny drops his pencil and it falls. Which force causes the pencil to move?

Accepted Answer

Gravity

Answer

Friction

Answer

Air resistance

Question 3

When a ball is thrown upwards, which force will continuously act upon it?

Accepted Answer

Gravity

Answer

Friction

Answer

Upthrust

Question 4

Which force requires physical contact between two objects?

Accepted Answer

Friction

Answer

Gravity

Answer

Electromagnetism

Answer

Tension

Question 5

Which of these is NOT a type of force recognized by science?

Accepted Answer

Emotional force

Answer

Contact force

Answer

Non-contact force

Question 6

Which of the following is NOT a type of force?

Accepted Answer

Velocity

Answer

Contact force

Answer

Non-contact force

Answer

Gravity

Question 7

When can we say that an object is experiencing a balanced force?

Accepted Answer

When the forces acting on the object are equal in size and opposite in direction.

Answer

When only one force is acting on the object.

Answer

When the object is moving at a constant speed.

Question 8

Which of these is NOT a type of force that can act on an object?

Accepted Answer

Unbalanced force

Answer

Contact force

Answer

Non-contact force

Question 9

Which force acts on objects without touching them?

Accepted Answer

Gravity

Answer

Friction

Answer

Tension

Question 10

Which of these forces can act without touching an object?

Accepted Answer

Gravity

Accepted Answer

Magnetism

Answer

Friction

Answer

Tension

Question 11

What is the best definition of a 'Balanced Force'?

Accepted Answer

Two or more forces acting on an object that cancel each other out.

Answer

A force that speeds up an object.

Answer

A force that stops an object moving.

Answer

A force that makes an object change direction.

Question 12

Which force does NOT require direct contact between objects?

Accepted Answer

Gravity

Answer

Friction

Answer

Tension

Answer

Normal force

Question 13

Which of these shows a force working without touching?

Accepted Answer

A magnet pulling a paperclip

Answer

Someone pushing a box

Answer

A ball rolling down a hill

Question 14

What happens to an object when it experiences a force that is not balanced?

Accepted Answer

The object changes its speed or direction.

Answer

The object moves at a constant speed.

Answer

The object stops moving.

Answer

Nothing happens to the object.

Question 15

Which of the following is NOT a recognized type of force?

Accepted Answer

Heat

Answer

Gravity

Answer

Friction

Answer

Electromagnetism

Question 16

When a force is applied to an object, it can:

Accepted Answer

Increase its speed or change its direction of motion.

Answer

Change its shape.

Answer

Make it heavier.

Answer

Break it into smaller pieces.

Question 17

Which of Newton's laws of motion describes an object's behavior when there is no force acting on it?

Accepted Answer

First law of motion

Answer

Second law of motion

Answer

Third law of motion

Question 18

Which situation best demonstrates Newton's third law of motion?

Accepted Answer

A rocket launching into space due to the exhaust gases being pushed out of the engine.

Answer

A car hitting a wall and bouncing back.

Answer

A person jumping on a trampoline.

Answer

A ball bouncing off a table.

Question 19

What type of force acts between magnets and magnetic materials?

Accepted Answer

Magnetic force

Answer

Gravitational force

Answer

Frictional force

Answer

Electrostatic force

Question 20

Which of the following is the SI unit for measuring force?

Accepted Answer

Newton

Answer

Joule

Answer

Watt

Answer

Meter

Question 21

The relationship between force, mass, and acceleration can be expressed mathematically as:

Accepted Answer

F = ma

Answer

a = F / m

Answer

m = F / a

Answer

F = a / m

Question 22

At the highest point of its upward trajectory, the net force acting on a ball thrown vertically upwards is:

Accepted Answer

Zero

Answer

Upwards

Answer

Downwards

Answer

Sideways

Question 23

Which of the following is a type of non-contact force?

Accepted Answer

Gravity

Answer

Push

Answer

Pull

Answer

Friction

Question 24

Newton's second law of motion states that:

Accepted Answer

The acceleration of an object is directly proportional to the force applied to it

Answer

An object at rest will stay at rest unless acted upon by a force

Answer

An object in motion will stay in motion unless acted upon by a force

Answer

For every action, there is an equal and opposite reaction

Question 25

What is the relationship between friction and the surface roughness of the objects in contact?

Accepted Answer

Friction decreases with smoother surfaces

Answer

Friction increases with smoother surfaces

Answer

Friction is not affected by surface roughness

Answer

Friction only occurs on rough surfaces

Question 26

Why does a ball thrown into the air fall back to the ground?

Accepted Answer

Due to gravity

Answer

Due to air resistance

Answer

Due to friction

Answer

Due to tension

Question 27

What is the unit of force in the International System of Units (SI)?

Accepted Answer

Newton

Answer

Kilogram

Answer

Joule

Answer

Pound

Question 28

How will increasing the speed of an object affect the force of air resistance acting on it?

Accepted Answer

Increase the air resistance

Answer

Decrease the air resistance

Answer

Have no effect on air resistance

Answer

Change the direction of air resistance

Question 29

Which of the following forces is propelling a rocket upwards during launch?

Accepted Answer

Thrust

Answer

Gravity

Answer

Friction

Answer

Air resistance

Question 30

Which of the following is **not** a type of force?

Accepted Answer

Inertia

Answer

Gravity

Answer

Magnetism

Answer

Friction

Question 31

According to Newton's first law of motion, an object at rest stays at rest until a force acts on it.

Accepted Answer

True

Answer

False

Question 32

What is the unit of force in the SI system?

Accepted Answer

Newton

Answer

Kilogram

Answer

Joule

Answer

Watt

Question 33

A book is lying on a table. What force is acting on the book?

Accepted Answer

Gravity

Answer

Friction

Answer

Air resistance

Answer

Upthrust

Question 34

Give an example of a balanced force.

Accepted Answer

A book lying on a table

Answer

A ball rolling down a slope

Answer

A person pushing against a wall

Answer

A car accelerating

Question 35

According to Newton's third law of motion, for every action, there is an equal and opposite reaction.

Accepted Answer

True

Answer

False

Question 36

Which of the following is **not** a factor that can affect the strength of gravity between two objects?

Accepted Answer

Speed

Answer

Mass

Answer

Distance

Answer

Shape

Question 37

Which of the following is an example of a force that requires contact between two objects?

Accepted Answer

Friction

Answer

Gravity

Answer

Magnetism

Answer

Electrostatic force

Question 38

A ball is rolling along the ground when it suddenly bumps into a wall. Which force causes the ball to stop rolling?

Accepted Answer

Friction

Answer

Gravity

Answer

Inertia

Answer

Tension

Question 39

Isaac Newton developed several important laws of motion. Which law states that an object at rest will remain at rest unless a force acts upon it?

Accepted Answer

Newton's First Law

Answer

Newton's Second Law

Answer

Newton's Third Law

Answer

The Law of Universal Gravitation

Question 40

A book is resting on a table. Which force is preventing the book from falling to the ground?

Accepted Answer

Normal force

Answer

Friction

Answer

Tension

Answer

Air resistance

Question 41

A magnet is attracted to a piece of metal. What type of force is causing this attraction?

Accepted Answer

Magnetic force

Answer

Gravitational force

Answer

Electrical force

Answer

Frictional force

Question 42

Which of the following is an example of a balanced force?

Accepted Answer

A person standing still

Answer

A ball rolling down a hill

Answer

A person pushing on a wall

Answer

A car speeding up

Question 43

A force of 100N is applied to an object of mass 20kg. What is the acceleration of the object?

Accepted Answer

2 m/s²

Answer

0.2 m/s²

Answer

10 m/s²

Answer

20 m/s²

Question 44

A skydiver jumps out of an airplane and falls towards the ground. Which force is making the skydiver fall?

Accepted Answer

Gravity

Answer

Friction

Answer

Air resistance

Answer

Tension

Question 45

Which of the following is NOT a recognized type of force in science?

Accepted Answer

Psychic force

Answer

Contact force

Answer

Magnetic force

Answer

Frictional force

Question 46

According to Newton's First Law of Motion, an object at rest will remain at rest unless acted upon by a force. This is also known as:

Accepted Answer

Law of Inertia

Answer

Law of Motion

Answer

Law of Momentum

Answer

Law of Gravity

Question 47

The force that attracts objects to the Earth is called:

Accepted Answer

Gravity

Answer

Friction

Answer

Tension

Answer

Magnetism

Question 48

When a force is applied to an object, the object will:

Accepted Answer

Change its speed and/or direction

Answer

Always move in the direction of the force

Answer

Always move in the opposite direction of the force

Answer

Change its shape

Question 49

Which of the following is a balanced force?

Accepted Answer

Two forces pushing an object in opposite directions with equal strength

Answer

A force pushing an object upwards

Answer

A force pulling an object downwards

Answer

Two forces pulling an object in the same direction with unequal strength

Question 50

Which of the following is **not** a type of force?

Accepted Answer

Speed

Answer

Gravity

Answer

Friction

Answer

Magnetism

Question 51

What is the SI unit of force?

Accepted Answer

Newton

Answer

Joule

Answer

Pascal

Answer

Kilogram

Question 52

Which of Newton's laws of motion states that **an object at rest will remain at rest until an unbalanced force acts upon it**?

Accepted Answer

First law

Answer

Second law

Answer

Third law

Answer

Fourth law

Question 53

What happens to the acceleration of an object when the net force acting on it is increased?

Accepted Answer

It increases

Answer

It decreases

Answer

It remains the same

Answer

It changes direction

Question 54

Which of the following is an example of a **balanced force**?

Accepted Answer

A book resting on a table

Answer

A ball rolling down a slope

Answer

A car accelerating away from a traffic light

Answer

A person pushing against a wall

Question 55

What is the relationship between force, mass, and acceleration?

Accepted Answer

Force = mass × acceleration

Answer

Force = acceleration × mass

Answer

Mass = force × acceleration

Answer

Acceleration = force × mass

Question 56

A ball is thrown into the air. At the highest point of its trajectory, which of the following forces is **not** acting on the ball?

Accepted Answer

The force of the throw

Answer

Gravity

Answer

Air resistance

Answer

The force of the wind

Question 57

Which force below does NOT require objects to touch?

Accepted Answer

Gravity

Answer

Friction

Answer

Tension

Question 58

Which of the following is NOT a type of force?

Accepted Answer

Heat

Answer

Push

Answer

Pull

Answer

Wind

Question 59

When you kick a ball, what type of force are you applying to it?

Accepted Answer

Push

Answer

Pull

Answer

Friction

Answer

Gravity

Question 60

Which of Newton's laws explains why an object at rest stays at rest?

Accepted Answer

First Law

Answer

Second Law

Answer

Third Law

Question 61

A car is moving at a constant speed. Which force is most likely counteracting it?

Accepted Answer

Friction

Answer

Gravity

Answer

Air resistance

Answer

Propulsion

Question 62

What is the unit of measurement for force?

Accepted Answer

Newton

Answer

Joule

Answer

Kilogram

Answer

Meter

Question 63

When two equal forces act on an object from opposite directions, what is the net force?

Accepted Answer

Zero

Answer

The sum of the two forces

Answer

The difference between the two forces

Answer

Cannot be determined

Question 64

Which of the following shows two forces that are balanced?

Accepted Answer

A person pulling a rope from one end while another person pulls from the other end with the same strength

Answer

A person pushing a heavy box against a wall

Answer

A rocket taking off into space

Answer

A ball bouncing off a wall